Number | Date | Country | Kind |
---|---|---|---|
61-200734[U] | Dec 1986 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3337147 | Soong et al. | Jun 1965 | |
3875361 | Fukui et al. | Apr 1975 | |
4369347 | Shin | Jan 1983 | |
4450344 | Sakoda et al. | May 1984 | |
4608474 | Kohka | Aug 1986 | |
4635610 | Nakanishi | Jan 1987 | |
4705928 | Nakanishi | Nov 1987 |
Number | Date | Country |
---|---|---|
3337147 | Apr 1985 | DEX |
2540976 | Aug 1984 | FRX |
2137859 | Oct 1984 | GBX |
Entry |
---|
European Search Report dated May 31, 1988. |